.conlusion{
    width: 16.8533rem;
    margin: 0 auto;
    line-height: 2rem;
    font: normal 300 .64rem/2rem 'Microsoft Yahei';
}
.outter .logo_pic{
    margin: 4rem auto 0;
}
.outter .DeciTree {
    margin-bottom: 2rem;
}